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Achievements
Complete each achievement to receive the allotted gamerscore:
Just That Good (25) - Complete the single player campaign on Hard mode.
Revenge is Sweet (20) - Defeat Cesar.
The Meating (15) - Defeat the Butcher.
Grindhouse (15) - Perform 100 chainsaw kills.
Mow 'Em Down (15) - Take out 1,000 enemies.
The Wrong Guy (10) - Defeat El Raton
Scars From the Past (15) - Defeat Cassandra.
Father Forgive Me... (20) - Defeat the Priest.
Make a Name For Yourself (10) - Take out 100 enemies.
Just Getting Started (5) - Take out 20 enemies.
And It Continues (25) - Complete the single player campaign on Normal mode.
Backstory (25) - Complete the co-op campaign.
Unlock Bonuses
2p Costume - Complete the game.
Concept Art #1 - Get 100 kills with the Shank.
Concept Art #2 - Get 100 kills with the Chains.
Concept Art #3 - Get 100 kills with Dual Pistols.
Concept Art #4 - Get 100 kills with the Katana.
Grindhouse Costume - Get 100 Kills with the Chainsaw.
Mow 'em Down Costume - Get 1,000 kills total.
White Ninja Costume - Get a 100-hit Combo.
Red Ninja Outfit - Perform a 150-hit combo.
Wildman Shank (Logan/Wolverine costume) - Complete the Single Player Campaign on Hard Mode.
Unlock Gamer Pictures
Gamer Picture 1 - Get 100 Shotgun kills.
Gamer Picture 2 - Get 100 Dual Machete kills.